.matta_sankey-container path {
  stroke: #fff;
  stroke-width: .5px;
}

.matta_sankey-container .node {
    fill: 'steelblue';
}

.matta_sankey-container .node rect {
  fill-opacity: 1.0;
  shape-rendering: crispEdges;
}

.matta_sankey-container .node text {
  pointer-events: none;
  text-shadow: 0 1px 0 #fff;
  fill: black;
  font-size: 10px;
}

.matta_sankey-container .link {
  fill: none;
  stroke: #efefef;
  stroke-opacity: 0.95;
}